. >> in this remote, unforgiving environment, we all know it would be impossible to clean up an oil spill. we can't risk it. >> if you drop any kind of development because a spill can occur? or do you have systems and backup systems or other backup systems to deal with a spill, which shell does, and be allowed to proceed? >> it's a tough battle, sometimes, to choose. >> reporter: for those who call the arctic home, like point hope, alaska, mayor, steve omittuk, there's no easy answers. >> people need money. they need our economy to come up. but we need our way of life, also. >> reporter: drilling would bring in much-needed jobs. but steve says his community would always rely on life in the sea to survive. >> the ocean is our garden. the animals are our identity of a people. >> reporter: pretty peaceful down here. and down below, our exploration of the arctic's underwater garden continues. there is one final discovery. >> it could be a coral. that is potentially a very exciting find. and away we go. >> reporter: we make our way back to the surface for a closer look at the catch. first, a g